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Abstract

In a document aligner the documents are dropped vertically in their plane into a gutter 1 and are horizontally transported in an upright position to the right, into a document handling machine, by a transport wheel 2 cooperating with a spring-loaded swivel wheel 3.

Country

United States

Language

English (United States)

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Document Aligner

In a document aligner the documents are dropped vertically in their plane
into a gutter 1 and are horizontally transported in an upright position to the right,
into a document handling machine, by a transport wheel 2 cooperating with a
spring-loaded swivel wheel 3.

The swivel wheel or castor 3 brings about the aligning function as a mass 4
tries to turn the document clockwise, while the transport wheel 2 holds it
horizontal. The transport wheel 2 has several flat portions, e.g., four, at its
circumference which, during brief intervals, cause a decrease in the normal force
exercised by the spring-loaded swivel wheel 3, with the result that, in these
intervals, the aligning function will prevail, whereas in the intervals that the
circular circumferential parts engage the swivel wheel, the transport function
prevails. This construction keeps the spring load on the swivel wheel low enough
to prevent over-aligning (the curling up of the edge of a sheet against the aligning
edge) or damage to the document.